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SPECTROMETRY: 作品数：461被引量：896H指数：12; 导出分析报告; 相关领域：理学生物学更多>>; 相关作者：姜山何明武绍勇石磊李世红更多>>; 相关机构：中国计量科学研究院中国原子能科学研究院吉林大学广西大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家质检总局科技计划项目国家教育部博士点基金更多>>

Chemical isotope labeling-assisted liquid chromatography-mass spectrometry enables sensitive and accurate determination of dipeptides and tripeptides in complex biological samples: 《Chinese Chemical Letters》2024年第11期284-289,共6页Feng-Qing Huang Yu Wang Ji-Wen Wang Dai Yang Shi-Lei Wang Yuan-Ming Fan Raphael N.Alolga Lian-Wen Qi; financially supported in part by the National Natural Science Fund of China for Distinguished Young Scholars(No.81825023);National Natural Science Foundation of China(No.82003979);Natural Science Foundation of Shanghai(No.23ZR1459100)。; Small peptides have attracted increasing attention for their unique features and diverse biological functions.Achieving rapid separation and accurate quantification,however,remains a challenge because of their low abu...; 关键词：Di/tripeptides Chemical derivatization Isotope labeling Liquid chromatography tandem mass SPECTROMETRY Biliary tract cancer

Synthesis, Characterization and Biological Activity Evaluation of Schiff Bases Derived from 1,8-Diaminonaphtalène: 《Open Journal of Physical Chemistry》2023年第2期29-37,共9页Niameke Jean Baptiste Kangah Nanou Tiéba Tuo Daouda Ballo Ahmont Landry Claude Kablan N’goran Etienne Kouame Charles Guillaume Kodjo Nahossé Ziao; The compounds have been synthesized and characterized by routine MS, IR and NMR spectrometry methods. The compounds are all active on bacterial strains with the exception of Salmonella typhimirium, with a MIC value of...; 关键词：Schiff Base SPECTROMETRY ANTIOXIDANT Antimicrobial Activity INHIBITION 1 8-Diaminonaphthalene

Breaking the resolution-bandwidth limit of chip-scale spectrometry by harnessing a dispersion-engineered photonic molecule被引量：9: 《Light(Science & Applications)》2023年第3期475-488,共14页Hongnan Xu Yue Qin Gaolei Hu Hon Ki Tsang; Innovation and Technology Fund(MRP/066/20).; The chip-scale integration of optical spectrometers may offer new opportunities for in situ bio-chemical analysis,remote sensing,and intelligent health care.The miniaturization of integrated spectrometers faces the ch...; 关键词：RESOLUTION dispersion LIMIT

Recent Advances in Single-Cell Metabolomics Based on Mass Spectrometry被引量：1: 《CCS Chemistry》2023年第2期310-324,共15页Qinlei Liu Sandra Martínez-Jarquín Renato Zenobi; Cellular heterogeneity is essential for the physiological functions of organisms,and precise interpretation of the relevant biological mechanisms involved requires accurate measurement of biomolecules,including DNA,RN...; 关键词：SINGLE-CELL analysis metabolomics MASS SPECTROMETRY IONIZATION techniques ANALYTICAL methods

Comparison between Spectrophotometry and Gas Phase Molecular Absorption Spectrometry for Determination of Nitrite Nitrogen in Flue Gas: 《Meteorological and Environmental Research》2022年第6期60-62,共3页Jun SUN Tianjun DU Hualin GONG; Spectrophotometry and gas phase molecular absorption spectrometry for determination of nitrite nitrogen in flue gas were compared.KOH absorption solution was used to absorb nitrite nitrogen in flue gas,and the concent...; 关键词：SPECTROPHOTOMETRY Gas phase molecular absorption spectrometry Flue gas Nitrite nitrogen COMPARISON

Analysis of per-and polyfluoroalkyl substances in Houston Ship Channel and Galveston Bay following a large-scale industrial fire using ion-mobility-spectrometry-mass spectrometry被引量：2: 《Journal of Environmental Sciences》2022年第5期350-362,共13页Alan Valdiviezo Noor AAly Yu-Syuan Luo Alexandra Cordova Gaston Casillas MaKayla Foster Erin SBaker Ivan Rusyn; funded,in part,by grants P42 ES027704 and P30ES029067 from the National Institute of Environmental Health Sciences;supported,in part,by a training grant T32 ES026568 from the National Institute of Environmental Health Sciences; Per-and polyfluoroalkyl substances(PFAS)are persistent organic pollutants of concern be-cause of their ubiquitous presence in surface and ground water;analytical methods that can be used for rapid comprehensive exposu...; 关键词：EMERGENCY Environmental disaster PFAS

Special Topic:Resonance Spectroscopy and Spectrometry: 《Journal of Analysis and Testing》2021年第3期195-196,共2页Mei-Kun Fan Cheng-Zhi Huang; Resonance exists very commonly ranging from elementary particles to large celestial bodies,creating variety of new things and phenomena.As a typical forced vibration,resonance makes a physical system to absorb more en...; 关键词：chemistry. ELEMENTARY ABSORB

Unravelling Hydrogen Adsorption Kinetics on Ir(111)Electrode in Acid Solutions by Impedance Spectroscopy被引量：1: 《Chinese Journal of Chemical Physics》2021年第2期179-187,I0001,共10页Yan-li Tang Wei Chen Mian-le Xu Zhen Wei Jun Cai Yan-xia Chen; supported by the National Natural Science Foundation of China(No.91545124,No.21972131,No.21832004).; The kinetics for hydrogen(H)adsorption on Ir(111)electrode has been studied in both HClO_(4) and H_(2)SO_(4) solutions by impedance spectroscopy.In HClO_(4),the adsorption rate for H adsorption on Ir(111)increases fro...; 关键词：Hydrogen adsorption/desorption Electrochemical impedance spectrometry Ir(111)electrode Sulfate adsorption/desorption

Determination of C_((total))and O_((total))in the Calcite Rich Limestones by WD-XRF Spectrometry: 《Journal of Geological Resource and Engineering》2021年第2期43-50,共8页Svetlana Ivanovna Shtel’makh; The equipment of the Center for Collective Use“Geodynamics and Geochronology”of the Institute of the Earth’s Crust of the SB RAS was used in this work within the framework of the grant No.075-15-2021-682。; Carbon and oxygen XRF spectra were studied using a WDXRF(WD X-ray fluorescence)spectrometer S8 TIGER(Bruker AXS,Germany).XRF spectra were obtained from the samples of the calcareous spar(CaCO3)(pure calcium carbonate)...; 关键词：XRF spectrum LDM carbon oxygen graphite CALCITE LIMESTONE calcareous spar

Antioxidant Activity Evaluation in a Series of Heterocyclic Compounds Derived from 1,8-Diaminonaphthalene: 《Journal of Biophysical Chemistry》2021年第1期1-9,共9页Tuo Nanou Tiéba Kangah Niameke Jean Baptiste Ballo Daouda Kablan Ahmont Landry Claude Kodjo Charles Guillaume Yapo Ossey Bernard Ziao Nahossé; From (2,3-dihydro-1H-perimidin-2-yl)-phenyl, the substitution of OH group in ortho or para position on the phenyl ring, allows us to synthesize the studied compounds. These three compounds have be...; 关键词：PERIMIDINE SPECTROMETRY Antioxidant Activity 2 2-Diphenyl-1-Picrylhydrazyl Method and Ferric Reducing Antioxidant Power Method

SPECTROMETRY